Question

which graph is used? what is the graph about?
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Answer 1

Answer:

In mathematics, the graph of a function f is the set of ordered pairs, where f(x) = y. In the common case where x and f(x) are real numbers, these pairs are Cartesian coordinates of points in two-dimensional space and thus form a subset of this plane. 

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Answer 2

Answer:

, . , . .

Explanation:

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